Rujukan Pisau_lipat

  1. ↑ "Handy with His Jack-Knife" (PDF). The New York Times. St. Louis Republican. 1884-06-25. Dicapai pada 2011-02-04.
  2. ↑ "Question: How Did the Jackknife Get Its Name?". Junior Editors Quiz on Words. The Norwalk Hour. Norwalk, Connecticut. May 31, 1961. m/s. 29. Dicapai pada 2011-02-04 – melalui Google News.
  3. ↑ Lake, Ron; Centofante, Frank; Clay, Wayne (1995). How to Make Folding Knives: A Step-By-Step How-To. Krause. m/s. 190. ISBN 0-87341-390-3.
  4. ↑ Stewart, Ron; Ritchie, Roy (2000). Big Book of Pocket Knives: Identification & Values. Collector Books. m/s. 348. ISBN 978-1-57432-178-4.
  5. ↑ Horváth, László; Kovács, Tibor; Szabó, Miklós (1987). Transdanubia I (Corpus of Celtic Finds in Hungary) (v. 1). Akademiai Kiado. m/s. 38–41. ISBN 978-963-05-3807-7.